Actually the role of training is very small, if you have one dude who half ass it in the gym but is on a strict diet and another dude who go hard in the gym but is on a crappy diet the dude who half ass it in the gym would look better.
I disagree
right now I'm ripped when veins on my abs and I had McDonald's twice today, for breakkie and din din, and I've just polished off 6 chocolate chip cookies and 3 scoops of vanilla ice cream right before bed
am I genetically blessed? don't think so coz when I don't train hard and effectively I DO NOT look as good
TA, I do up to 20 sets per body part, but about 6-8 of those sets are hard sets
you probably don't need to do that much, but I'd say at least 3-4 hard sets per body part